mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-11-27 07:21:09 +08:00
Alot of "changes" from Dr. George's source tree...
Most of the changes in here look to b epurely cosmetic, and don't affect anything... ...and some stuff is completely questionable...in that I may have reversed some of the stuf fwe already had :(
This commit is contained in:
Marc G. Fournier
parent
94e5642b87
commit
2206b5819d
@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.1.1.1 1996/07/09 06:22:17 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.2 1996/07/23 03:35:11 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -524,7 +524,7 @@ fe_getauthname(char* PQerrormsg)
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#endif
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case STARTUP_MSG:
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{
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struct passwd *pw = getpwuid(getuid());
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struct passwd *pw = getpwuid(geteuid());
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if (pw &&
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pw->pw_name &&
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(name = (char *) malloc(strlen(pw->pw_name) + 1))) {
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.3 1996/07/19 07:00:56 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.4 1996/07/23 03:35:12 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -70,12 +70,12 @@ PQsetdb(char *pghost, char* pgport, char* pgoptions, char* pgtty, char* dbName)
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char *tmp;
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conn = (PGconn*)malloc(sizeof(PGconn));
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if (!conn) {
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fprintf(stderr,"FATAL: pqsetdb() -- unable to allocate memory for a PGconn");
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return (PGconn*)NULL;
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fprintf(stderr,"FATAL: PQsetdb() -- unable to allocate memory for a PGconn");
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return (PGconn*)NULL;
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}
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conn->Pfout = NULL;
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conn->Pfin = NULL;
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conn->Pfdebug = NULL;
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@ -90,7 +90,7 @@ PQsetdb(char *pghost, char* pgport, char* pgoptions, char* pgtty, char* dbName)
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} else
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conn->pghost = strdup(pghost);
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if (!pgport || pgport == '\0') {
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if (!pgport || pgport[0] == '\0') {
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if (!(tmp = getenv("PGPORT"))) {
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tmp = POSTPORT;
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}
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@ -98,7 +98,7 @@ PQsetdb(char *pghost, char* pgport, char* pgoptions, char* pgtty, char* dbName)
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} else
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conn->pgport = strdup(pgport);
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if (!pgtty || pgtty == '\0') {
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if (!pgtty || pgtty[0] == '\0') {
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if (!(tmp = getenv("PGTTY"))) {
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tmp = DefaultTty;
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}
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@ -106,29 +106,42 @@ PQsetdb(char *pghost, char* pgport, char* pgoptions, char* pgtty, char* dbName)
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} else
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conn->pgtty = strdup(pgtty);
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if (!pgoptions || pgoptions == '\0') {
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if (!pgoptions || pgoptions[0] == '\0') {
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if (!(tmp = getenv("PGOPTIONS"))) {
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tmp = DefaultOption;
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}
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conn->pgoptions = strdup(tmp);
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} else
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conn->pgoptions = strdup(pgoptions);
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if (((tmp = dbName) && (dbName[0] != '\0')) ||
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((tmp = getenv("PGDATABASE"))))
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#if 0
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if (!dbName || dbName[0] == '\0') {
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char errorMessage[ERROR_MSG_LENGTH];
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if (!(tmp = getenv("PGDATABASE")) &&
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!(tmp = fe_getauthname(errorMessage))) {
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sprintf(conn->errorMessage,
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"FATAL: PQsetdb: Unable to determine a database name!\n");
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/* pqdebug("%s", conn->errorMessage); */
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conn->dbName = NULL;
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return conn;
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}
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conn->dbName = strdup(tmp);
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else {
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} else
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conn->dbName = strdup(dbName);
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#endif
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if (((tmp = dbName) && (dbName[0] != '\0')) ||
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((tmp = getenv("PGDATABASE")))) {
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conn->dbName = strdup(tmp);
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} else {
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char errorMessage[ERROR_MSG_LENGTH];
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if (tmp = fe_getauthname(errorMessage)) {
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conn->dbName = strdup(tmp);
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free(tmp);
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}
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else {
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sprintf(conn->errorMessage,
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"FATAL: PQsetdb: Unable to determine a database name!\n");
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/* pqdebug("%s", conn->errorMessage); */
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conn->dbName = NULL;
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return conn;
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conn->dbName = strdup(tmp);
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free(tmp);
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} else {
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sprintf(conn->errorMessage,
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"FATAL: PQsetdb: Unable to determine a database name!\n");
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/* pqdebug("%s", conn->errorMessage); */
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conn->dbName = NULL;
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return conn;
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}
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}
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conn->status = connectDB(conn);
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@ -320,7 +333,7 @@ PQfinish(PGconn *conn)
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fprintf(stderr,"PQfinish() -- pointer to PGconn is null");
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} else {
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if (conn->status == CONNECTION_OK)
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closePGconn(conn);
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closePGconn(conn);
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freePGconn(conn);
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}
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}
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@ -404,10 +417,8 @@ startup2PacketBuf(StartupInfo* s, PacketBuf* res)
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strncpy(tmp, s->execFile, sizeof(s->execFile));
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tmp += sizeof(s->execFile);
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strncpy(tmp, s->tty, sizeof(s->execFile));
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}
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/* =========== accessor functions for PGconn ========= */
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char*
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PQdb(PGconn* conn)
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@ -416,7 +427,6 @@ PQdb(PGconn* conn)
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fprintf(stderr,"PQdb() -- pointer to PGconn is null");
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return (char *)NULL;
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}
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return conn->dbName;
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}
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@ -438,7 +448,6 @@ PQoptions(PGconn* conn)
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fprintf(stderr,"PQoptions() -- pointer to PGconn is null");
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return (char *)NULL;
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}
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return conn->pgoptions;
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}
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@ -449,7 +458,6 @@ PQtty(PGconn* conn)
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fprintf(stderr,"PQtty() -- pointer to PGconn is null");
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return (char *)NULL;
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}
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return conn->pgtty;
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}
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@ -460,7 +468,6 @@ PQport(PGconn* conn)
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fprintf(stderr,"PQport() -- pointer to PGconn is null");
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return (char *)NULL;
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}
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return conn->pgport;
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}
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@ -471,7 +478,6 @@ PQstatus(PGconn* conn)
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fprintf(stderr,"PQstatus() -- pointer to PGconn is null");
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return CONNECTION_BAD;
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}
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return conn->status;
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}
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@ -482,7 +488,6 @@ PQerrorMessage(PGconn* conn)
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fprintf(stderr,"PQerrorMessage() -- pointer to PGconn is null");
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return (char *)NULL;
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}
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return conn->errorMessage;
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}
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@ -7,18 +7,19 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.4 1996/07/19 06:36:38 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-exec.c,v 1.5 1996/07/23 03:35:13 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <signal.h>
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#include <errno.h>
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#include "postgres.h"
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#include "libpq/pqcomm.h"
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#include "libpq-fe.h"
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#include <signal.h>
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/* the tuples array in a PGresGroup has to grow to accommodate the tuples */
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/* returned. Each time, we grow by this much: */
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@ -39,6 +40,7 @@ static PGresult* makePGresult(PGconn *conn, char *pname);
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static void addTuple(PGresult *res, PGresAttValue *tup);
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static PGresAttValue* getTuple(PGconn *conn, PGresult *res, int binary);
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static PGresult* makeEmptyPGresult(PGconn *conn, ExecStatusType status);
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static void fill(int length, int max, char filler, FILE *fp);
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/*
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* PQclear -
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@ -623,13 +625,143 @@ PQendcopy(PGconn *conn)
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}
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}
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/* simply send out max-length number of filler characters to fp */
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static void
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fill (int length, int max, char filler, FILE *fp)
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{
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int count;
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char filltmp[2];
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filltmp[0] = filler;
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filltmp[1] = 0;
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count = max - length;
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while (count-- >= 0)
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{
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fprintf(fp, "%s", filltmp);
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}
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}
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/*
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* print_tuples()
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* PQdisplayTuples()
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*
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* a better version of PQprintTuples()
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* that can optionally do padding of fields with spaces and use different
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* field separators
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*/
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void
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PQdisplayTuples(PGresult *res,
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FILE *fp, /* where to send the output */
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int fillAlign, /* pad the fields with spaces */
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char *fieldSep, /* field separator */
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int printHeader, /* display headers? */
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int quiet
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)
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{
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#define DEFAULT_FIELD_SEP " "
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char *pager;
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int i, j;
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int nFields;
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int nTuples;
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int fLength[MAX_FIELDS];
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int usePipe = 0;
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int total_line_length = 0;
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if (fieldSep == NULL)
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fieldSep == DEFAULT_FIELD_SEP;
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/* Get some useful info about the results */
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nFields = PQnfields(res);
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nTuples = PQntuples(res);
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if (fp == NULL)
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fp = stdout;
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/* Zero the initial field lengths */
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for (j=0 ; j < nFields; j++) {
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fLength[j] = strlen(PQfname(res,j));
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}
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/* Find the max length of each field in the result */
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/* will be somewhat time consuming for very large results */
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if (fillAlign) {
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for (i=0; i < nTuples; i++) {
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for (j=0 ; j < nFields; j++) {
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if (PQgetlength(res,i,j) > fLength[j])
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fLength[j] = PQgetlength(res,i,j);
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}
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}
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for (j=0 ; j < nFields; j++)
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total_line_length += fLength[j];
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total_line_length += nFields * strlen(fieldSep) + 2; /* delimiters */
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}
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/* Use the pager only if the number of tuples is big enough */
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pager=getenv("PAGER");
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if ((nTuples > 20)
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&& (fp == stdout)
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&& (pager != NULL)
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&& isatty(fileno(stdout))
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&& (nTuples * (total_line_length / 80 + 1) >= 24
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- (printHeader != 0) * (total_line_length / 80 + 1) * 2
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- 1 /* newline at end of tuple list */ - (quiet == 0))) {
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fp = popen(pager, "w");
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if (fp) {
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usePipe = 1;
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signal(SIGPIPE, SIG_IGN);
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} else {
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fp = stdout;
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}
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}
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if (printHeader) {
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/* first, print out the attribute names */
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for (i=0; i < nFields; i++) {
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fputs(PQfname(res,i), fp);
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if (fillAlign)
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fill (strlen (PQfname(res,i)), fLength[i], ' ', fp);
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fputs(fieldSep,fp);
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}
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fprintf(fp, "\n");
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/* Underline the attribute names */
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for (i=0; i < nFields; i++) {
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if (fillAlign)
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fill (0, fLength[i], '-', fp);
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fputs(fieldSep,fp);
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}
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fprintf(fp, "\n");
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}
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/* next, print out the instances */
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for (i=0; i < nTuples; i++) {
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for (j=0 ; j < nFields; j++) {
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fprintf(fp, "%s", PQgetvalue(res,i,j));
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if (fillAlign)
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fill (strlen (PQgetvalue(res,i,j)), fLength[j], ' ', fp);
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fputs(fieldSep,fp);
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}
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fprintf(fp, "\n");
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}
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if (!quiet)
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fprintf (fp, "\nQuery returned %d row%s.\n",PQntuples(res),
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(PQntuples(res) == 1) ? "" : "s");
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fflush(fp);
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if (usePipe) {
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pclose(fp);
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signal(SIGPIPE, SIG_DFL);
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}
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}
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/*
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* PQprintTuples()
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*
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* This is the routine that prints out the tuples that
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* are returned from the backend.
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* are returned from the backend.
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* Right now all columns are of fixed length,
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* this should be changed to allow wrap around for
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* tuples values that are wider.
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@ -728,10 +860,6 @@ PQprint(FILE *fout,
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char *border=NULL;
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int numFieldName;
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int fs_len=strlen(po->fieldSep);
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int total_line_length = 0;
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int usePipe = 0;
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char *pager;
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nTups = PQntuples(res);
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if (!(fieldNames=(char **)calloc(nFields, sizeof (char *))))
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{
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@ -763,37 +891,7 @@ PQprint(FILE *fout,
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len+=fs_len;
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if (len>fieldMaxLen)
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fieldMaxLen=len;
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total_line_length += len;
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}
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total_line_length += nFields * strlen(po->fieldSep) + 1;
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if (fout == NULL)
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fout = stdout;
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if (fout == stdout) {
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/* try to pipe to the pager program if possible */
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pager=getenv("PAGER");
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if (pager != NULL &&
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isatty(fileno(stdout)) &&
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!po->html3 &&
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((po->expanded && nTups * (nFields+1) >= 24) ||
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(!po->expanded && nTups * (total_line_length / 80 + 1) *
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( 1 + (po->standard != 0)) >=
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24 -
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(po->header != 0) * (total_line_length / 80 + 1) * 2
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/* - 1 */ /* newline at end of tuple list */
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/* - (quiet == 0)
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*/ )))
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{
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fout = popen(pager, "w");
|
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if (fout) {
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usePipe = 1;
|
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signal(SIGPIPE, SIG_IGN);
|
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} else
|
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fout = stdout;
|
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}
|
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}
|
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|
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if (!po->expanded && (po->align || po->html3))
|
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{
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if (!(fields=(char **)calloc(nFields*(nTups+1), sizeof(char *))))
|
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@ -1012,10 +1110,6 @@ efield:
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fputc('\n', fout);
|
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}
|
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free(fields);
|
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if (usePipe) {
|
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pclose(fout);
|
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signal(SIGPIPE, SIG_DFL);
|
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}
|
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}
|
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free(fieldMax);
|
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free(fieldNotNum);
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@ -1135,17 +1229,14 @@ PQfn(PGconn *conn,
|
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}
|
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}
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|
||||
|
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|
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|
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/* ====== accessor funcs for PGresult ======== */
|
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ExecStatusType
|
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PQresultStatus(PGresult* res)
|
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{
|
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if (!res) {
|
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fprintf(stderr, "PQresultStatus() -- pointer to PQresult is null");
|
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return PGRES_NONFATAL_ERROR;
|
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if (!res) {
|
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fprintf(stderr, "PQresultStatus() -- pointer to PQresult is null");
|
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return PGRES_NONFATAL_ERROR;
|
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}
|
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|
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return res->resultStatus;
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@ -1154,22 +1245,20 @@ PQresultStatus(PGresult* res)
|
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int
|
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PQntuples(PGresult *res)
|
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{
|
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if (!res) {
|
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fprintf(stderr, "PQntuples() -- pointer to PQresult is null");
|
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return (int)NULL;
|
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if (!res) {
|
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fprintf(stderr, "PQntuples() -- pointer to PQresult is null");
|
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return (int)NULL;
|
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}
|
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|
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return res->ntups;
|
||||
}
|
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|
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int
|
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PQnfields(PGresult *res)
|
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{
|
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if (!res) {
|
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fprintf(stderr, "PQnfields() -- pointer to PQresult is null");
|
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return (int)NULL;
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQnfields() -- pointer to PQresult is null");
|
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return (int)NULL;
|
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}
|
||||
|
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return res->numAttributes;
|
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}
|
||||
|
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@ -1179,10 +1268,9 @@ PQnfields(PGresult *res)
|
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char*
|
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PQfname(PGresult *res, int field_num)
|
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{
|
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|
||||
if (!res) {
|
||||
fprintf(stderr, "PQfname() -- pointer to PQresult is null");
|
||||
return NULL;
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQfname() -- pointer to PQresult is null");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (field_num > (res->numAttributes - 1)) {
|
||||
@ -1205,7 +1293,7 @@ PQfnumber(PGresult *res, char* field_name)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (!res) {
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQfnumber() -- pointer to PQresult is null");
|
||||
return -1;
|
||||
}
|
||||
@ -1226,9 +1314,9 @@ PQfnumber(PGresult *res, char* field_name)
|
||||
Oid
|
||||
PQftype(PGresult *res, int field_num)
|
||||
{
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQftype() -- pointer to PQresult is null");
|
||||
return InvalidOid;
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQftype() -- pointer to PQresult is null");
|
||||
return InvalidOid;
|
||||
}
|
||||
|
||||
if (field_num > (res->numAttributes - 1)) {
|
||||
@ -1245,9 +1333,9 @@ PQftype(PGresult *res, int field_num)
|
||||
int2
|
||||
PQfsize(PGresult *res, int field_num)
|
||||
{
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQfsize() -- pointer to PQresult is null");
|
||||
return (int2)NULL;
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQfsize() -- pointer to PQresult is null");
|
||||
return (int2)NULL;
|
||||
}
|
||||
|
||||
if (field_num > (res->numAttributes - 1)) {
|
||||
@ -1262,11 +1350,10 @@ PQfsize(PGresult *res, int field_num)
|
||||
}
|
||||
|
||||
char* PQcmdStatus(PGresult *res) {
|
||||
if (!res) {
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQcmdStatus() -- pointer to PQresult is null");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return res->cmdStatus;
|
||||
}
|
||||
|
||||
@ -1304,18 +1391,17 @@ char* PQoidStatus(PGresult *res) {
|
||||
char*
|
||||
PQgetvalue(PGresult *res, int tup_num, int field_num)
|
||||
{
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQgetvalue() -- pointer to PQresult is null");
|
||||
return NULL;
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQgetvalue() -- pointer to PQresult is null");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
if (tup_num > (res->ntups - 1) ||
|
||||
field_num > (res->numAttributes - 1)) {
|
||||
fprintf(stderr,
|
||||
"PQgetvalue: ERROR! field %d(of %d) of tuple %d(of %d) is not available",
|
||||
field_num, res->numAttributes - 1, tup_num, res->ntups);
|
||||
}
|
||||
|
||||
|
||||
return res->tuples[tup_num][field_num].value;
|
||||
}
|
||||
@ -1328,8 +1414,8 @@ PQgetvalue(PGresult *res, int tup_num, int field_num)
|
||||
int
|
||||
PQgetlength(PGresult *res, int tup_num, int field_num)
|
||||
{
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQgetlength() -- pointer to PQresult is null");
|
||||
if (!res) {
|
||||
fprintf(stderr, "PQgetlength() -- pointer to PQresult is null");
|
||||
return (int)NULL;
|
||||
}
|
||||
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
*
|
||||
* Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $Id: libpq-fe.h,v 1.2 1996/07/18 05:48:57 scrappy Exp $
|
||||
* $Id: libpq-fe.h,v 1.3 1996/07/23 03:35:14 scrappy Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -127,17 +127,19 @@ typedef struct pg_result{
|
||||
PGconn* conn;
|
||||
} PGresult;
|
||||
|
||||
typedef struct _PQprintOpt {
|
||||
bool header; /* print output field headers or not */
|
||||
bool align; /* fill align the fields */
|
||||
bool standard; /* old brain dead format */
|
||||
bool html3; /* output html tables */
|
||||
bool expanded; /* expand tables */
|
||||
char *fieldSep; /* field separator */
|
||||
char *tableOpt; /* insert to HTML <table ...> */
|
||||
char *caption; /* HTML <caption> */
|
||||
char **fieldName; /* null terminated array of repalcement field names */
|
||||
} PQprintOpt;
|
||||
struct _PQprintOpt {
|
||||
bool header; /* print output field headers or not */
|
||||
bool align; /* fill align the fields */
|
||||
bool standard; /* old brain dead format */
|
||||
bool html3; /* output html tables */
|
||||
bool expanded; /* expand tables */
|
||||
char *fieldSep; /* field separator */
|
||||
char *tableOpt; /* insert to HTML <table ...> */
|
||||
char *caption; /* HTML <caption> */
|
||||
char **fieldName; /* null terminated array of repalcement field names */
|
||||
};
|
||||
|
||||
typedef struct _PQprintOpt PQprintOpt;
|
||||
|
||||
/* === in fe-connect.c === */
|
||||
/* make a new client connection to the backend */
|
||||
@ -176,6 +178,13 @@ extern char* PQoidStatus(PGresult *res);
|
||||
extern char* PQgetvalue(PGresult *res, int tup_num, int field_num);
|
||||
extern int PQgetlength(PGresult *res, int tup_num, int field_num);
|
||||
extern void PQclear(PGresult* res);
|
||||
/* PQdisplayTuples() is a better version of PQprintTuples() */
|
||||
extern void PQdisplayTuples(PGresult *res,
|
||||
FILE *fp, /* where to send the output */
|
||||
int fillAlign, /* pad the fields with spaces */
|
||||
char *fieldSep, /* field separator */
|
||||
int printHeader, /* display headers? */
|
||||
int quiet);
|
||||
extern void PQprintTuples(PGresult* res,
|
||||
FILE* fout, /* output stream */
|
||||
int printAttName,/* print attribute names or not*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user